Margaret Martin may refer to: Murder of Margaret Martin (1918–1938), in December 1938 Margaret E. Martin (1912–2012), economist and statistician Margaret P. Martin (1915–2012), American statistician Margaret Martin (doctor of public health) (born 1954), American doctor and author Margaret V. Martin (bodybuilder) (born 1979), American bodybuilder Margaret Trevena Martin (1905–?), British botanist and phycologist